Validate that all dependencies are installed

CommonHelpers/Dependencies.cs

@@ -0,0 +1,137 @@
+using System.Diagnostics;
+using System.Runtime.InteropServices;
+
+namespace CommonHelpers
+{
+    public static class Dependencies
+    {
+        public static string[] Hidapi = new string[]
+        {
+            "hidapi.dll"
+        };
+
+        public static string[] RTSSShared = new string[]
+        {
+            "RTSSSharedMemoryNET.dll"
+        };
+
+        private static string[] VCRuntime = new string[]
+        {
+            "vcruntime140.dll"
+        };
+
+        private static string[] RTSS = new string[]
+        {
+            "C:\\Program Files (x86)\\RivaTuner Statistics Server\\RTSSHooks64.dll"
+        };
+
+        private static string VCRuntimeURL = "https://aka.ms/vs/17/release/vc_redist.x64.exe";
+        private static string RTSSURL = "https://www.guru3d.com/files-details/rtss-rivatuner-statistics-server-download.html";
+
+        public static void ValidateHidapi(string title)
+        {
+            ValidateVCRuntime(title);
+            ValidateDependency(title, "HidAPI", Hidapi, false);
+        }
+
+        public static void ValidateRTSSSharedMemoryNET(string title)
+        {
+            ValidateVCRuntime(title);
+            ValidateDependency(title, "RTSSSharedMemoryNET", RTSSShared, false);
+        }
+
+        public static void ValidateRTSS(string title)
+        {
+            InstallDependency(title, "Rivatuner Statistics Server", RTSS, RTSSURL, false, false);
+        }
+
+        private static void ValidateVCRuntime(string title)
+        {
+            InstallDependency(title, "Microsoft Visual C++ Runtime", VCRuntime, VCRuntimeURL, true, false);
+        }
+
+        private static void ValidateDependency(string title, string name, string[] dllNames, bool unload = true)
+        {
+            if (TryToLoad(dllNames, unload))
+                return;
+
+            Log.TraceError("Cannot load: {0}", dllNames);
+
+            MessageBox.Show(
+                "Cannot load: " + string.Join(", ", dllNames) + ".\n\n" +
+                "Application will exit.\n",
+                title,
+                MessageBoxButtons.OK,
+                MessageBoxIcon.Error
+            );
+
+            Environment.Exit(1);
+        }
+
+        private static void InstallDependency(string title, string name, string[] dllNames, string url, bool required = true, bool unload = true)
+        {
+            if (TryToLoad(dllNames, unload))
+                return;
+
+            Log.TraceError("Cannot load: {0}", dllNames);
+
+            var result = MessageBox.Show(
+                "Missing '" + name + "' (" + string.Join(", ", dllNames) + ").\n\n" +
+                "Click Yes to download and install?\n",
+                title,
+                MessageBoxButtons.YesNo,
+                MessageBoxIcon.Error
+            );
+
+            if (result == DialogResult.Yes)
+            {
+                ExecuteLink(url);
+                Environment.Exit(1);
+            }
+
+            if (required)
+            {
+                MessageBox.Show(
+                    "The '" + name + "' is required. " +
+                    "Application will exit now. " +
+                    "Once installed start application again.",
+                    title,
+                    MessageBoxButtons.OK,
+                    MessageBoxIcon.Error
+                );
+                Environment.Exit(1);
+            }
+        }
+
+        private static bool TryToLoad(string[] dllNames, bool unload = true)
+        {
+            foreach (var dllName in dllNames)
+            {
+                if (!TryToLoad(dllName, unload))
+                    return false;
+            }
+            return true;
+        }
+
+        private static bool TryToLoad(string dllName, bool unload = true)
+        {
+            var handle = LoadLibrary(dllName);
+            if (unload)
+                FreeLibrary(handle);
+            return handle != IntPtr.Zero;
+        }
+
+        private static void ExecuteLink(string link)
+        {
+            try { Process.Start("explorer.exe", link); }
+            catch { }
+        }
+
+        [DllImport("kernel32.dll", SetLastError = true)]
+        private static extern IntPtr LoadLibrary(string lpFileName);
+
+        [DllImport("kernel32.dll")]
+        [return: MarshalAs(UnmanagedType.Bool)]
+        private static extern bool FreeLibrary(IntPtr module);
+    }
+}

PerformanceOverlay/Controller.cs

@@ -8,7 +8,7 @@ namespace PerformanceOverlay
     internal class Controller : IDisposable
     {
         public const String Title = "Performance Overlay";
-        public readonly String TitleWithVersion = Title + " v" + System.Windows.Forms.Application.ProductVersion.ToString();
+        public static readonly String TitleWithVersion = Title + " v" + System.Windows.Forms.Application.ProductVersion.ToString();
 
         Container components = new Container();
         RTSSSharedMemoryNET.OSD? osd;
@@ -24,6 +24,12 @@ namespace PerformanceOverlay
 
         SharedData<OverlayModeSetting> sharedData = SharedData<OverlayModeSetting>.CreateNew();
 
+        static Controller()
+        {
+            Dependencies.ValidateRTSS(TitleWithVersion);
+            Dependencies.ValidateRTSSSharedMemoryNET(TitleWithVersion);
+        }
+
         public Controller()
         {
             Instance.OnUninstall(() =>

PowerControl/Controller.cs

@@ -19,7 +19,7 @@ namespace PowerControl
     internal class Controller : IDisposable
     {
         public const String Title = "Power Control";
-        public readonly String TitleWithVersion = Title + " v" + Application.ProductVersion.ToString();
+        public static readonly String TitleWithVersion = Title + " v" + Application.ProductVersion.ToString();
         public const int KeyPressRepeatTime = 400;
         public const int KeyPressNextRepeatTime = 90;
 
@@ -38,6 +38,12 @@ namespace PowerControl
 
         SharedData<PowerControlSetting> sharedData = SharedData<PowerControlSetting>.CreateNew();
 
+        static Controller()
+        {
+            Dependencies.ValidateHidapi(TitleWithVersion);
+            Dependencies.ValidateRTSSSharedMemoryNET(TitleWithVersion);
+        }
+
         public Controller()
         {
             Instance.OnUninstall(() =>

RELEASE.md

@@ -15,3 +15,4 @@
 - Add `Setup.exe` installer to install all except RTSS
 - Add `Sentry` error tracking
 - Use `white` icons when using `Dark Theme` (thanks @maniman303 https://github.com/ayufan/steam-deck-tools/pull/23)
+- Validate that all dependencies are installed

SteamController/Controller.cs

@@ -8,7 +8,7 @@ namespace SteamController
     internal class Controller : IDisposable
     {
         public const String Title = "Steam Controller";
-        public readonly String TitleWithVersion = Title + " v" + Application.ProductVersion.ToString();
+        public static readonly String TitleWithVersion = Title + " v" + Application.ProductVersion.ToString();
 
         Container components = new Container();
         NotifyIcon notifyIcon;
@@ -32,6 +32,11 @@ namespace SteamController
             }
         };
 
+        static Controller()
+        {
+            Dependencies.ValidateHidapi(TitleWithVersion);
+        }
+
         public Controller()
         {
             Instance.OnUninstall(() =>